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10021220231323 = 71784211934717
BaseRepresentation
bin1001000111010011111101…
…0001011010100010011011
31022111000112001211200202211
42101310333101122202123
52303141424334400243
633151403544135551
72053003115341030
oct221647721324233
938430461750684
1010021220231323
113213a80627984
12115a21a4675b7
13578cc658c112
1426905b4cd387
15125a1cd93d9d
hex91d3f45a89b

10021220231323 has 8 divisors (see below), whose sum is σ = 12126518599392. Its totient is φ = 8084345732736.

The previous prime is 10021220231317. The next prime is 10021220231333. The reversal of 10021220231323 is 32313202212001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10021220231323 - 233 = 10012630296731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021220231294 and 10021220231303.

It is not an unprimeable number, because it can be changed into a prime (10021220231333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42105967240 + ... + 42105967477.

It is an arithmetic number, because the mean of its divisors is an integer number (1515814824924).

Almost surely, 210021220231323 is an apocalyptic number.

10021220231323 is a deficient number, since it is larger than the sum of its proper divisors (2105298368069).

10021220231323 is an equidigital number, since it uses as much as digits as its factorization.

10021220231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84211934741.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 10021220231323 its reverse (32313202212001), we get a palindrome (42334422443324).

The spelling of 10021220231323 in words is "ten trillion, twenty-one billion, two hundred twenty million, two hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 7 17 119 84211934717 589483543019 1431602890189 10021220231323